TWI619950B - Pseudo-point calibration device - Google Patents

Pseudo-point calibration device Download PDF

Info

Publication number
TWI619950B
TWI619950B TW103130556A TW103130556A TWI619950B TW I619950 B TWI619950 B TW I619950B TW 103130556 A TW103130556 A TW 103130556A TW 103130556 A TW103130556 A TW 103130556A TW I619950 B TWI619950 B TW I619950B
Authority
TW
Taiwan
Prior art keywords
wave
fmcw
calibration device
singular point
frequency
Prior art date
Application number
TW103130556A
Other languages
English (en)
Chinese (zh)
Other versions
TW201525478A (zh
Inventor
Yuji Kumamoto
Keishi Shibayama
Kazuo Amano
Original Assignee
Fujikura Ltd
Electric Power Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujikura Ltd, Electric Power Development Co Ltd filed Critical Fujikura Ltd
Publication of TW201525478A publication Critical patent/TW201525478A/zh
Application granted granted Critical
Publication of TWI619950B publication Critical patent/TWI619950B/zh

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/11Locating faults in cables, transmission lines, or networks using pulse reflection methods
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
TW103130556A 2013-09-04 2014-09-04 Pseudo-point calibration device TWI619950B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013183212A JP5749306B2 (ja) 2013-09-04 2013-09-04 特異点標定装置

Publications (2)

Publication Number Publication Date
TW201525478A TW201525478A (zh) 2015-07-01
TWI619950B true TWI619950B (zh) 2018-04-01

Family

ID=52628060

Family Applications (1)

Application Number Title Priority Date Filing Date
TW103130556A TWI619950B (zh) 2013-09-04 2014-09-04 Pseudo-point calibration device

Country Status (5)

Country Link
US (2) US20160209458A1 (ja)
EP (1) EP3029475B1 (ja)
JP (1) JP5749306B2 (ja)
TW (1) TWI619950B (ja)
WO (1) WO2015033564A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6531110B2 (ja) * 2015-05-07 2019-06-12 コリア エレクトリカル セーフティ コーポレーション ケーブル故障診断方法及びシステム
CN105242175A (zh) * 2015-09-24 2016-01-13 国网技术学院 电网微弱高频信号的奇异点捕捉方法
KR101905434B1 (ko) * 2016-11-15 2018-10-10 한국전자통신연구원 수동상호변조왜곡 신호 측정 장치 및 방법
RU2653583C1 (ru) * 2017-04-13 2018-05-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") Способ определения места повреждения кабельной линии
CN109119977B (zh) * 2018-09-20 2019-07-23 山东大学 基于单端电压的多端柔性直流电网直流线路快速保护方法及系统
CN114341658B (zh) * 2020-08-04 2024-10-11 雅马哈智能机器控股株式会社 导线接合状态判定方法及导线接合状态判定装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004012291A (ja) * 2002-06-06 2004-01-15 Tokyo Electric Power Co Inc:The 送電線の故障点標定方法およびそれを用いた故障点標定システム
JP2006029801A (ja) * 2004-07-12 2006-02-02 Hitachi Cable Ltd ケーブル損傷検出方法及びその装置
TW200727616A (en) * 2006-01-12 2007-07-16 Mitsubishi Electric Corp Intrusion detecting system, intrusion detecting method and defectiveness detecting method
CN103124988A (zh) * 2010-11-26 2013-05-29 郝润保 基于传输线的可定位电子围栏

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499000A (en) * 1946-10-16 1950-02-28 Bell Telephone Labor Inc Frequency modulation system for locating impedance irregularities
JPH0668534B2 (ja) * 1985-06-10 1994-08-31 日立電線株式会社 送電線路の事故区間標定装置
JPH0746115B2 (ja) * 1986-08-04 1995-05-17 日本電信電話株式会社 線路故障点検出装置
JPH09152461A (ja) * 1995-11-30 1997-06-10 Asia Electron Inc 故障点標定装置及び故障点標定方法
JPH11287853A (ja) * 1998-04-03 1999-10-19 Denso Corp レーダ装置
US7164274B2 (en) * 2003-06-11 2007-01-16 Broadcom Corporation Cable diagnostics using time domain reflectometry and applications using the same
DE10331744A1 (de) * 2003-07-11 2005-02-10 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Induktive Ankoppelschaltung und Verfahren zur Nachrichtenübertragung in elektrischen Energieverteilnetzen
US7061251B2 (en) * 2004-01-15 2006-06-13 Bae Systems Information And Electronic Systems Integration Inc. Method and apparatus for transmission line and waveguide testing
JPWO2005111635A1 (ja) * 2004-05-14 2008-03-27 松下電器産業株式会社 電気回路パラメータの測定方法および装置
US8294469B2 (en) * 2008-10-06 2012-10-23 Anritsu Company Passive intermodulation (PIM) distance to fault analyzer with selectable harmonic level
US20130104661A1 (en) * 2011-10-31 2013-05-02 Raytheon Company Method and apparatus for range resolved laser doppler vibrometry

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004012291A (ja) * 2002-06-06 2004-01-15 Tokyo Electric Power Co Inc:The 送電線の故障点標定方法およびそれを用いた故障点標定システム
JP2006029801A (ja) * 2004-07-12 2006-02-02 Hitachi Cable Ltd ケーブル損傷検出方法及びその装置
TW200727616A (en) * 2006-01-12 2007-07-16 Mitsubishi Electric Corp Intrusion detecting system, intrusion detecting method and defectiveness detecting method
CN103124988A (zh) * 2010-11-26 2013-05-29 郝润保 基于传输线的可定位电子围栏

Also Published As

Publication number Publication date
WO2015033564A1 (ja) 2015-03-12
US20170082676A1 (en) 2017-03-23
US20160209458A1 (en) 2016-07-21
EP3029475A4 (en) 2017-06-14
JP2015049223A (ja) 2015-03-16
JP5749306B2 (ja) 2015-07-15
EP3029475A1 (en) 2016-06-08
TW201525478A (zh) 2015-07-01
EP3029475B1 (en) 2018-09-19

Similar Documents

Publication Publication Date Title
TWI619950B (zh) Pseudo-point calibration device
CN106443353B (zh) 一种基于行波的gil放电故障定位方法和装置
RU2400765C2 (ru) Способ определения места повреждения линий электропередачи и связи и устройство для его осуществления
KR102014582B1 (ko) 반사파 처리 장치
Mardiana et al. Ground fault location on a transmission line using high-frequency transient voltages
CN109387743B (zh) 利用中性点切换及由此产生行波注入信号的单端测距方法
EP3588110B1 (en) Partial discharge measurement system
KR101151991B1 (ko) 배전케이블 부분방전 검출장치 및 그 방법
CN107076795B (zh) 局部放电位置标定装置
RU2703195C1 (ru) Способ определения расстояния до места отражения в электрическом проводнике
CN113281614B (zh) 一种电力电缆宽频阻抗谱测试方法
KR101561832B1 (ko) 초기 상태값 비교를 통한 반사파 분석을 이용한 배선 고장 상시감시시스템 및 그 방법
KR101224862B1 (ko) 케이블의 고장 위치 탐지 장치 및 방법
KR20120132598A (ko) 부분방전 신호측정 방법과 장치
Chen et al. Application study of variable pd sensors for pd measurement of power cable circuit in operation
He et al. Power cable fault location method based on pulse current method
EP3106888B1 (en) Method and system for partial discharge measurement on a power cable
Seong et al. Development of a Fault Localization Algorithm Based on SFWR Considering Propagation Velocity Changes with Propagation Distance
Hoek et al. New procedures for partial discharge localization in gas-insulated switchgears in frequency and time domain
JP5526052B2 (ja) ケーブル探査方法及びケーブル探査装置
RU126473U1 (ru) Устройство для дистанционного контроля состояния линии электропередачи
Hong et al. Development of a Multiple HFCT-Based Reflectometry System for Live Cable Diagnosis
JP2019179010A (ja) パルス計測器およびパルス計測法
JPH09211063A (ja) 校正パルス注入方法および装置
Yang et al. A distributed PD detection method for high voltage cables based on high precision clock synchronization

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees